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    • 5. 发明公开
    • 신규 항시적 고발현 프로모터 및 그 용도
    • 新宪法强力促进者及其使用
    • KR1020080086161A
    • 2008-09-25
    • KR1020070027947
    • 2007-03-22
    • 주식회사 바이오리더스한국생명공학연구원
    • 성문희김철중홍승표부하령이일한김지연김광
    • C12N9/88C12N15/09C12N15/10
    • C12N15/746C12N9/1276
    • A novel constitutive strong promoter is provided to express effectively a target protein on the surface of a microorganism transformed by an expression vector containing the promoter, so that the transformed microorganism is useful as a vaccine carrier. An aldolase promoter isolated from Lactobacillus casei has the nucleotide sequence of SEQ ID NO:1. A microorganism surface expression vector contains the aldolase promoter, polygammaglutamic acid synthetase complex gene selected from pgsA, pgsB and pgsC and a gene encoding a target protein. A method for producing a microorganism vaccine comprises the steps of: (a) transforming a microorganism with the microorganism surface expression vector and culturing the transformed microorganism to express an antigen on the surface of transformed microorganism; and (b) recovering the antigen surface-expressed microorganism, wherein the microorganism is a lactic acid bacterium.
    • 提供了一种新颖的组成型强启动子,以有效地表达由含有启动子的表达载体转化的微生物的表面上的靶蛋白,使得转化的微生物可用作疫苗载体。 从干酪乳杆菌分离的醛缩酶启动子具有SEQ ID NO:1的核苷酸序列。 微生物表面表达载体含有选自pgsA,pgsB和pgsC的醛缩酶启动子,聚氨基amic氨酸合成酶复合物基因和编码靶蛋白的基因。 微生物疫苗的制造方法包括以下步骤:(a)用微生物表达载体转化微生物,培养转化的微生物以在转化的微生物的表面上表达抗原; 和(b)回收抗原表面表达微生物,其中微生物是乳酸菌。
    • 8. 发明授权
    • Myo-2 펩타이드 중합체와 마이오스타틴의 융합단백질표면발현용 벡터 및 상기 벡터로 형질전환된 미생물
    • MYO-2肽多聚体和肌醇六磷酸融合蛋白的表面表达载体及其转化的微生物
    • KR100857861B1
    • 2008-09-11
    • KR1020070103512
    • 2007-10-15
    • 주식회사 바이오리더스한국생명공학연구원충남대학교산학협력단
    • 성문희김철중부하령김지연김영숙허룡춘
    • C07K16/00C07K19/00
    • C07K14/475
    • A surface expression vector for fusion protein of Myo-2 peptide multimer and myostatin is provided to express the myostatin fusion protein on the surface of bacteria, and increase the blood antibody production, body weight and muscle amount of animals by orally administering the bacteria. A myostatin derived peptide Myo-2 has the amino acid sequence of SEQ ID NO:1. A Myo-2 peptide multimer is prepared by polymerizing 2-8 Myo-2 peptides. A fusion protein is prepared by fusing the Myo-2 peptide multimer with matured myostatin. A surface expression vector for fusion protein contains a gene encoding polygammaglutamic acid synthetase complex selected from pgsB(polygammaglutamic acid synthetase), pgsC and pgsA, the nucleotide sequence encoding the Myo-2 peptide multimer and a gene encoding the matured myostatin. A method for producing a fusion protein-surface expressed microorganism comprises the steps of: (a) expressing the fusion protein of myostatin derived peptide multimer and matured myostatin on the surface of microorganism by culturing a microorganism transformed with the surface expression vector; and (b) recovering the microorganism with surface expressed matured myostatin, wherein the microorganism is lactic acid bacterium. Further, the matured myostatin is be derived from mammal or birds.
    • 提供Myo-2肽多聚体和肌生成抑制素融合蛋白的表达表达载体,以表达细菌表面的肌生成抑制素融合蛋白,并通过口服施用细菌增加动物的血液抗体产生,体重和肌肉量。 肌生长抑制素衍生肽Myo-2具有SEQ ID NO:1的氨基酸序列。 通过聚合2-8个Myo-2肽制备Myo-2肽多聚体。 通过将Myo-2肽多聚体与成熟的肌生成抑制素融合来制备融合蛋白。 用于融合蛋白的表面表达载体包含编码聚腺苷酸合成酶复合物的基因,其选自pgsB(polygammaglutamic acid synthetase),pgsC和pgsA,编码Myo-2肽多聚体的核苷酸序列和编码成熟肌肉生长抑制素的基因。 一种融合蛋白表面表达微生物的制备方法,包括以下步骤:(a)通过培养用表面表达载体转化的微生物,将肌生长抑制素衍生肽多聚体和成熟肌生成抑制素的融合蛋白表达在微生物表面上; 和(b)用表面表达成熟的肌生长抑制素回收微生物,其中微生物是乳酸菌。 此外,成熟的肌生成抑制素来源于哺乳动物或鸟类。